Commitments and Contingencies - Additional Information (Detail)	12 Months Ended
Jan. 01, 2017 USD ($) Product	Jan. 03, 2016 USD ($) Product	Dec. 28, 2014 USD ($) Product
Loss Contingencies [Line Items]
Rental expense for noncancellable operating leases	$ 13,600,000	$ 8,900,000	$ 7,600,000
Letters of credit totaled	29,700,000	$ 26,900,000
Long-term marketing contractual arrangements	$ 81,700,000
SAC [Member]
Loss Contingencies [Line Items]
Cases of finished product obligated to purchase on an annual basis \| Product	17,500,000
Purchased number of cases finished product from SAC \| Product	29,900,000	28,300,000	25,900,000
Southeastern [Member]
Loss Contingencies [Line Items]
Purchase requirements of plastic bottles	80.00%
SAC and Southeastern [Member]
Loss Contingencies [Line Items]
Guaranteed portion of SAC's and Southeastern's debt, collateral held	The Company holds no assets as collateral against the SAC or Southeastern guarantees
Impairment of investments	$ 0	$ 0	$ 0

Minimum purchase percentage requirement of total plastic bottles purchased in certain territories.

No definition available.

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- Definition

Describes the nature of any assets held either as collateral or by third parties that, upon the occurrence of any triggering event or condition under the guarantee, the guarantor can obtain and liquidate to recover all or a portion of the amounts paid under the guarantee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

+ Details

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560

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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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- Definition

The minimum amount the entity agreed to spend under the long-term purchase commitment.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

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- Definition

The number of units that have been purchased during the period, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

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